Year	% of fertilizer production
1961	158.82908460240907
1962	146.98961581317826
1963	146.70332339984452
1964	170.15423662631784
1965	167.49838767466858
1966	157.52216527080498
1967	119.56410514654044
1968	132.39830676632053
1969	105.95459652460417
1970	116.09656442236688
1971	122.44078653359153
1972	123.42337060267248
1973	124.95847109320158
1974	124.91164909628222
1975	124.19764142110141
1976	122.90162310783525
1977	118.15268449010053
1978	115.83936846751058
1979	122.0494212704786
1980	132.35575473317468
1981	144.6139330793261
1982	155.42283818256342
1983	127.10772456401907
1984	108.96891955033453
1985	118.70333240122086
1986	121.60333774601222
1987	122.2866937637463
1988	115.21442286746968
1989	119.92642785873272
1990	112.84680400382108
1991	115.99960895275994
1992	107.49059003537226
1993	121.77997927714847
1994	118.85849719844157
1995	107.00492769148366
1996	106.95944515569714
1997	104.37738589654784
1998	110.72093524404698
1999	110.13885239001733
2000	140.03319442448628
2001	153.21205230244456
2002	158.71309339678763
2003	145.04382754490325
2004	171.53970060272206
2005	162.63184388689766
2006	230.4434990839775
2007	197.3434272837702
2008	221.71020753205482
2009	239.9070491646321
2010	211.62255529411766
2011	291.1100239693193
2012	221.66518138962903
2013	587.2844291868605
2014	503.229434207674
2015	659.185979232766
2016	708.2916453173925
2017	752.7103701799485
2018	714.9938097585017
2019	860.9741751700681
2020	944.1740511615766
2021	929.4798564343513